ZIP 95945 (Grass Valley, CA) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 95945 in Grass Valley, California (Nevada County) has 480 EPA-tracked facilities, including 1 High-Risk sites (0.2%), 1 active violators, and $5,302,800 in federal penalties. Beyond industrial pollution, properties in ZIP 95945 are screened across 4 historical Nevada County FEMA disasters, USDA Soil Foundation Shrink-Swell (MODERATE signal), Tap Water & Watershed Permits (82), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
ZIP 95945 (Grass Valley, CA) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 95945 (Grass Valley, CA) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 95945 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 1 High-Risk and 1 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 95945 (Grass Valley, CA)
100% of High-Risk & penalized facilities have facility names, street names, and dockets redacted (3 Low-Risk compliant records shown as Free Previews).
| Facility Name / Hazard Type | Sector Location (Street Redacted) | Risk Score (0–100) | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • GRASS VALLEY, CA (ZIP 95945 Sector) | HIGH (64/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • GRASS VALLEY, CA (ZIP 95945 Sector) | MODERATE (36/100) | Resolved / Historical Non-Compliance (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • GRASS VALLEY, CA (ZIP 95945 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • GRASS VALLEY, CA (ZIP 95945 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • GRASS VALLEY, CA (ZIP 95945 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • GRASS VALLEY, CA (ZIP 95945 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • GRASS VALLEY, CA (ZIP 95945 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • GRASS VALLEY, CA (ZIP 95945 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| MERRILL AND SONS FREE PREVIEW (LOW RISK) | 12619 LOMA RICA DR., GRASS VALLEY, CA 95945 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| PYXIS LABORATORIES FREE PREVIEW (LOW RISK) | 12499 LOMA RICA DRIVE, GRASS VALLEY, CA 95945 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| GRASS VALLEY TRUCK AND AUTO REPAIR FREE PREVIEW (LOW RISK) | 800 S AUBURN ST, GRASS VALLEY, CA 95945 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| SHERWIN WILLIAMS STORE 721007 FREE PREVIEW (LOW RISK) | 2085 NEVADA CITY HIGHWAY, GRASS VALLEY, CA 95945 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 95945 (Grass Valley, CA) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)How many EPA-tracked environmental sites are in ZIP code 95945 (Grass Valley, CA)?
ZIP code 95945 (Grass Valley, CA) contains 480 EPA-tracked facilities, of which 1 (0.2%) are classified in the High-Risk tier, 1 (0.2%) have active compliance violations, and 409 (85.2%) handle RCRA hazardous waste.
How does ZIP 95945 compare to Nevada County and California averages?
In ZIP 95945, 0.2% of regulated sites are rated High Risk, compared to 0.6% across Nevada County and 0.3% statewide in California.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 95945?
Geologic screening places ZIP 95945 in EPA Zone 1 — High Potential (> 4.0 pCi/L). Property buyers should screen a 0.25-mile immediate buffer for vapor-intrusion sources and a 1.0-mile radius for CERCLA/RCRA sites.
Is ZIP 95945 (Grass Valley, CA) in a FEMA flood zone and what is the flood disaster history?
Nevada County has recorded 4 historical FEMA federal disaster declarations (3 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 95945 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 95945 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 95945 indicates a MODERATE shrink-swell risk signal. Within ZIP 95945, federal registries track 11 SDWIS drinking water facilities, 71 Clean Water NPDES permits, and 0 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.